Harsh Sangwan

Software Engineer

Gurugram, Haryana, India1 yr 4 mos experience

Key Highlights

  • Built scalable platforms improving user engagement.
  • Mentored over 500 students in software development.
  • Achieved significant performance improvements in web applications.
Stackforce AI infers this person is a Full-Stack Developer with expertise in building scalable web applications in the Education and Marketing sectors.

Contact

Skills

Core Skills

React.jsNode.js

Other Skills

HTMLCSS3JavaScriptDatabase Management System (DBMS)SQLRedux.jsGo High LevelHTML5Express.jsMongoDBNext.jsReact NativeSearch Engine Optimization (SEO)Cascading Style Sheets (CSS)JSX

About

Software Development Engineer with 1+ years of experience building scalable, user-facing and internal platforms using React, Node.js, Express, Java, Spring Boot, SQL, and MongoDB, with a strong focus on performance, clean architecture, and production-ready systems.

Experience

1 yr 4 mos
Total Experience
5 mos
Average Tenure
5 mos
Current Experience

Alta school of technology

SDE-1 | Instructor

Jan 2026Present · 5 mos · Pune District, Maharashtra, India · On-site

  • Built and scaled an internal student assessment & analytics dashboard using React, Node.js, and SQL,
  • supporting 1,000+ learners and improving evaluation throughput by 40%.
  • Implemented RBAC, automated grading pipelines, and reusable UI components, reducing manual
  • intervention by 45% and improving platform reliability by 35%.
  • Mentored 500+ students in MERN stack and DBMS through hands-on, production-style labs and projects, improving assignment accuracy and on-time submissions by 30%.
React.jsHTMLCSS3JavaScriptDatabase Management System (DBMS)Node.js

Authority entrepreneurs

Frontend Developer

Jul 2025Oct 2025 · 3 mos · Hyderabad, Telangana, India · Remote

  • Designed marketing websites and sales funnels using GoHighLevel, React, and Node.js, driving a 30% increase in lead generation and a 20% increase in conversion rates.
  • Optimized frontend components with React and CSS, achieving a 25% reduction in load times and an enhanced cross- device user experience.
  • Collaborated with cross-functional teams to integrate APIs and improve funnel performance, resulting in a 15% increase in user engagement.
React.jsNode.jsRedux.jsGo High LevelJavaScriptCSS3+1

Indiabuys

SDE

Apr 2025Jun 2025 · 2 mos · Hyderabad, Telangana, India · Remote

  • Spearheaded development of 6+ critical full-stack features within a scalable React and Redux ecosystem, achieving 30% reduction in page load times through strategic optimization of rendering processes and API integration patterns.
  • Built robust webhook processing system using Node, Express, and MongoDB with advanced retry logic and secure verification protocols, achieving 92% event delivery success rate.
  • Delivered cross-platform React Native mobile application serving 5,000+ active users, reducing development timeline by 40% through innovative reusable UI components and shared business logic architecture.
  • Implemented performance monitoring and optimisation strategies that enhanced overall application reliability
  • This role strengthened my expertise in building production-ready applications while working in fast-paced, results-driven environments. My contributions directly impacted user experience and business metrics.
React.jsReact NativeNode.jsExpress.jsSearch Engine Optimization (SEO)HTML5+3

Vedaz

Software Engineer Intern

Dec 2024Feb 2025 · 2 mos · New Delhi, Delhi, India · Remote

  • Migrated complex legacy website to Remix framework, delivering 30% performance improvement and enhanced scalability with zero downtime.
  • Built responsive web and mobile applications using Remix and Tailwind CSS, improving code quality by 25% and reducing technical debt by 15%.
  • Collaborated with development teams to integrate server-side logic with Remix applications, boosting user experience metrics by 20%.
React.jsNode.jsExpress.jsRemixJavaScriptCascading Style Sheets (CSS)+1

Rakatu

Junior Implementation Engineer

Nov 2024Jul 2025 · 8 mos · Singapore · Remote

  • Engineered high-performance web applications using React, Next.js, Node.js, and Express, delivering a remarkable 30% boost in both performance metrics and user satisfaction scores.
  • Architected comprehensive internal tool suite integrated with MongoDB, streamlining content management workflows and reducing update cycle times by 30%.
  • Optimised backend microservices architecture using Java and Spring Boot, resulting in 40% increased transaction processing capacity.
  • Implemented performance-first development practices, significantly enhancing system reliability and user experience
  • My role combined technical excellence with strategic thinking, ensuring our solutions not only meet current needs but scale effectively for future growth. I collaborated closely with cross-functional teams to deliver robust, enterprise-grade applications that drive business success.
React.jsNode.jsExpress.jsMongoDBNext.js

Srijan spectrum private limited

Software Engineer Intern

Jan 2024Mar 2024 · 2 mos · Gurugram, Haryana, India · Remote

  • Enhanced company websites by collaborating with designers and developers using EJS, HTML, CSS, React, and Node.js, achieving a 30% increase in user engagement.
  • Designed and implemented dynamic templating systems with EJS and React components, reducing manual content updates by 25% and streamlining content management processes.
  • Developed and deployed scalable front-end and back-end solutions, optimizing API responses and decreasing website load times by 15% to ensure a seamless user experience.
React.jsEJSNode.jsExpress.jsMongoDBSQL+3

Tata power-ddl

Engineering Intern

Aug 2022Oct 2022 · 2 mos · New Delhi, Delhi, India · On-site

  • Engineered a comprehensive web application that improved task efficiency by 30% by delivering tailored user experiences for diverse roles.
  • Developed robust back-end functionality in ASP.NET and C#, resulting in a 40% increase in system speed and a 25% decrease in data processing response times.
  • Optimized front-end load times by 50% through strategic code refactoring and asset optimization, significantly enhancing overall user experience and performance.
Express.jsBootstrap (Framework)Responsive Web DesignFront-End DevelopmentReact.jsHTML5+11

Education

Scaler

Specialization In Software Development & Problem Solving

Nov 2023Dec 2026

Maharaja Surajmal Institute Of Technology

Bachelor of Technology - BTech — Computer Science

Dec 2020Jun 2024

DELHI JAIN PUBLIC SCHOOL

AISSCE — Computer Science

Mar 2019Jul 2020

DELHI JAIN PUBLIC SCHOOL

AISSE — Computer Science

Mar 2017May 2018

Scaler

Specialization In Software Development

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